From 534cc0cdad9771bbf247d23318b37067e4ee32f8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Thu, 30 Oct 2008 15:59:30 +0100
Subject: [PATCH] Fix add empty list on xxx2Many

---
 trytond/osv/fields.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/trytond/osv/fields.py b/trytond/osv/fields.py
index 69e9ce0ba5..b1afeb1e95 100644
--- a/trytond/osv/fields.py
+++ b/trytond/osv/fields.py
@@ -423,6 +423,8 @@ class One2Many(Column):
                     ids = [act[1]]
                 else:
                     ids = list(act[1])
+                if not ids:
+                    continue
                 cursor.execute('UPDATE "' + _table + '" ' \
                         'SET "' + self._field + '" = %s ' \
                         'WHERE id IN (' \
@@ -536,6 +538,8 @@ class Many2Many(Column):
                     ids = [act[1]]
                 else:
                     ids = list(act[1])
+                if not ids:
+                    continue
                 cursor.execute('SELECT "' + self.target + '" ' \
                         'FROM "' + self._rel + '" ' \
                         'WHERE ' + self.origin + ' = %s ' \